// Related Metro error's formatting (for the portion of the function parsing Metro errors)
// https://github.com/facebook/metro/blob/34bb8913ec4b5b02690b39d2246599faf094f721/packages/metro/src/lib/formatBundlingError.js#L36

const BABEL_TRANSFORM_ERROR_FORMAT =
  /^(?:TransformError )?(?:SyntaxError: |ReferenceError: )(.*): (.*) \((\d+):(\d+)\)\n\n([\s\S]+)/;
const BABEL_CODE_FRAME_ERROR_FORMAT =
  // Adjusted from original to not capture import stack a part of the code frame
  /^(?:TransformError )?(?:.*):? (?:.*?)([/|\\].*): ([\s\S]+?)\n((?:[ >]*\d+[\s|]+[^\n]*\n?)+|\u{001b}\[[0-9;]*m(?:.*\n?)+?(?=\n\n|\n[^\u{001b}\s]|$))/mu;
const METRO_ERROR_FORMAT =
  /^(?:(?:InternalError )?Metro has encountered an error:) (.*): (.*) \((\d+):(\d+)\)\n\n([\s\S]+)/u;
const UNABLE_TO_RESOLVE_MODULE_ERROR_FORMAT = /(?:\w )?Unable to resolve module (.*) from/;

export type ParsedBuildError = {
  content: string;
  fileName: string;
  row: number;
  column: number;
  codeFrame: string;

  // Mainly in BabelCodeFrame errors
  missingModule?: string;
};

export function parseMetroError(message: string): ParsedBuildError | null {
  const e = message.match(METRO_ERROR_FORMAT);
  if (!e) {
    return null;
  }

  const [, content, fileName, row, column, codeFrame] = e;
  return {
    content,
    fileName,
    row: parseInt(row, 10),
    column: parseInt(column, 10),
    codeFrame,
  };
}

export function parseBabelTransformError(message: string): ParsedBuildError | null {
  const e = message.match(BABEL_TRANSFORM_ERROR_FORMAT);
  if (!e) {
    return null;
  }

  // Transform errors are thrown from inside the Babel transformer.
  const [, fileName, content, row, column, codeFrame] = e;
  return {
    content,
    fileName,
    row: parseInt(row, 10),
    column: parseInt(column, 10),
    codeFrame,
  };
}

export function parseBabelCodeFrameError(message: string): ParsedBuildError | null {
  const e = message.match(BABEL_CODE_FRAME_ERROR_FORMAT);
  if (!e) {
    return null;
  }

  // Codeframe errors are thrown from any use of buildCodeFrameError.
  const [, fileName, content, codeFrame] = e;

  //TODO: In the future we should send metadata from @expo/cli, but at the moment
  // parsing the message is the only way that work across all LogBox scenarios
  // (build web, build ios, build android, hmr web, hmr native).
  const [, missingModule] = message.match(UNABLE_TO_RESOLVE_MODULE_ERROR_FORMAT) || [];
  const messageContent = missingModule ? `Unable to resolve module ${missingModule}` : content;

  return {
    content: messageContent,
    fileName,
    row: -1,
    column: -1,
    codeFrame,
    missingModule,
  };
}
